نتایج جستجو برای: ddm

تعداد نتایج: 750  

2011
SERGEY Y. MATROSOV

Polarimetric X-band radar measurements of differential reflectivity ZDR in stratiform rainfall were used for retrieving mean mass-weighted raindrop diameters Dm and estimating their spatial variability dDm at different scales. The ZDR data were calibrated and corrected for differential attenuation. The results revealed greater variability in Dm for larger spatial scales. Mean values of dDm were...

2002
Osher Yadgar Sarit Kraus Charles L. Ortiz

In this paper, we describe the Distributed Dispatcher Manager (DDM), a system for monitoring large collections of dynamically changing tasks. We assume that tasks are distributed over a virtual space. Teams consist of very large groups of cooperative mobile agents. Each agent has direct access to only local and partial information about its immediate surroundings. DDM organizes teams hierarchic...

2004
Gregory P. Flach Stefanie A. Crisman Fred J. Molz

Field-scale dispersion of a conservative tracer is primarily the result of smallto intermediate-scale advective processes resulting from natural heterogeneities rather than pore-scale hydrodynamic dispersion (Guven et al. 1992). Fully incorporating physical heterogeneity into a field-scale model is extremely challenging because subsurface variability is pervasive, being present from pore-scale ...

Journal: :Monthly Notices of the Royal Astronomical Society 2021

This is the first of a series three Papers devoted to study halo substructure in hierarchical cosmologies by means CUSP formalism. In present Paper we derive properties subhaloes and diffuse dark matter (dDM) accreted onto haloes their progenitors. Specifically, relate dDM at any time inter-halo medium real Universe or cosmological simulation with corresponding free-streaming mass resolution ma...

Journal: :Eastern-European Journal of Enterprise Technologies 2022

Distributed Data Mining (DDM) is vital in various applications for processing large volumes of data. The datasets are saved the local databases and operated by communities, but it provides solution locally globally. However, stored a distributed manner which affects scalability reliability issues. In addition, data influenced security privacy challenges. third party may access DDM, causes autho...

Journal: :Review of Scientific Instruments 2021

Differential dynamic microscopy (DDM) is increasingly used in the fields of soft matter physics and biophysics to extract dynamics microscopic objects across a range wavevectors using optical microscopy. Standard DDM limited detecting no faster than camera frame rate. We report on an extension where we sequentially illuminate sample with spectrally-distinct light image color camera. By pulsing ...

Journal: :Nucleic acids research 1991
C Cera G Palù S M Magno M Palumbo

The interaction between three anthracycline antibiotics of second generation (9-deoxydoxorubicin, 9-DAM, 4-demethoxydaunorubicin, 4-DDM, 4'-deoxydoxorubicin, 4'-DAM) and DNA in the nucleosomal structure was investigated using fluorescence and circular dichroism techniques. The thermodynamic parameters of the binding process were obtained at different ionic strength and temperature conditions, t...

1993
S. Haridi J. Hennessy

resulted in a poor speedup for the DDM as well as for other architectures. This poor locality w as tamed by restructuring its distribution of work from being static to being dynamic. The restructuring also increased MP3D's communication locality. C o m m unication locality w as also enhanced for Cholesky by adding hierarchical knowledge to its dynamical scheduler. Finally, the importance of the...

2015
S. Burgos

Differencing between green cover and grape canopy is a challenge for vigour status evaluation in viticulture. This paper presents the acquisition methodology of very high-resolution images (4 cm), using a Sensefly Swinglet CAM unmanned aerial vehicle (UAV) and their processing to construct a 3D digital surface model (DSM) for the creation of precise digital terrain models (DTM). The DTM was obt...

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